RECON: TNO occultation with 14QY441

Event between 14QY441 and star GA1120:00958243 with event index number of 179080

Geocentric closest approach at 2019/01/23 09:08:57 UTC

J2000 position of star is 05:06:09.0 +22:40:34
Equinox of date position of star is 05:07:15.7 +22:41:59
Stellar brightness G=12.6, use SENSEUP=16
Star is 76 degrees from the moon. Moon is 93% illuminated.
TNO apparent brightness V=21.5

[RECON map]
TNO is 37.7 AU from the Sun and 37.0 AU from the Earth.
The TNO is moving 16.8 km/sec on the sky relative to the star, or, 2.3 arcsec/hr.
The 1-sigma error in the time of the event is 234 seconds.
The 1-sigma cross-track error in the shadow position is 1713 km.
The sky-plane scale is 26835.5 km/arcsec.

The TNO has an absolute magnitude Hv=5.6
Diameter=457.1 km assuming a 5% albedo -- 27.2 sec chord
Diameter=186.6 km assuming a 30% albedo -- 11.1 sec chord
Dynamical classification is 4:3E
 
 
 
 
 
 

Star training set for 14QY441, (2019/01/23 09:09UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:01.0 +16:32:46  0.8  9.42  84
Alnath         05:27:29.9 +28:37:18  1.6  7.47  71
PPM 094053     05:06:46.9 +23:05:09  6.5  0.40  76
PPM 094066     05:07:49.8 +22:32:05  7.0  0.21  76
PPM 094061     05:07:12.5 +22:41:05 10.8  0.03  76
14QY441        05:07:17.9 +22:42:02 12.6        76
Positions are for equinox of date

This table contains the target star visibility for the RECON network. The observing range has been set to a maximum of 3.8 sigma about the mid-time.
The median site spacing is 21.1 km RECON observability=1.0 and success probability=6.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 09:03:56 -58.1 Dark Up 34.9 264.7 Up 08:48:56 - 09:18:56 4735
Oroville 09:03:54 -58.6 Dark Up 34.8 265.2 Up 08:48:54 - 09:18:54 4687
Tonasket 09:03:53 -58.8 Dark Up 34.9 265.3 Up 08:48:53 - 09:18:53 4667
Okanogan 09:03:52 -59.1 Dark Up 35.0 265.5 Up 08:48:52 - 09:18:52 4635
Brewster 09:03:51 -59.4 Dark Up 35.2 265.5 Up 08:48:51 - 09:18:51 4606
Manson/Chelan 09:03:51 -59.7 Dark Up 35.4 265.3 Up 08:48:51 - 09:18:51 4579
Entiat 09:03:50 -59.9 Dark Up 35.5 265.4 Up 08:48:50 - 09:18:50 4559
Wenatchee 09:03:49 -60.2 Dark Up 35.6 265.5 Up 08:48:49 - 09:18:49 4534
Ellensburg 09:03:48 -60.6 Dark Up 35.8 265.7 Up 08:48:48 - 09:18:48 4492
Pasco 09:03:42 -60.9 Dark Up 34.8 267.3 Up 08:48:42 - 09:18:42 4461
Yakima 09:03:47 -61.0 Dark Up 35.8 265.9 Up 08:48:47 - 09:18:47 4456
PNWRO 09:03:41 -61.0 Dark Up 34.7 267.6 Up 08:48:41 - 09:18:41 4445
Toppenish/White Swan 09:03:45 -61.2 Dark Up 35.7 266.2 Up 08:48:45 - 09:18:45 4441
George/Umatilla 09:03:42 -61.3 Dark Up 35.0 267.3 Up 08:48:42 - 09:18:42 4426
Goldendale 09:03:44 -61.8 Dark Up 36.0 266.3 Up 08:48:44 - 09:18:44 4381
The Dalles 09:03:44 -62.1 Dark Up 36.3 266.2 Up 08:48:44 - 09:18:44 4352
Maupin 09:03:42 -62.5 Dark Up 36.3 266.6 Up 08:48:42 - 09:18:42 4317
Niwot 09:02:53 -58.6 Dark Up 24.4 279.8 Low 08:47:53 - 09:17:53 4311
Madras/Culver 09:03:41 -63.0 Dark Up 36.3 266.9 Up 08:48:41 - 09:18:41 4267
Redmond 09:03:39 -63.3 Dark Up 36.4 267.2 Up 08:48:39 - 09:18:39 4233
Sisters 09:03:40 -63.4 Dark Up 36.7 266.8 Up 08:48:40 - 09:18:40 4225
Bend 09:03:39 -63.6 Dark Up 36.5 267.2 Up 08:48:39 - 09:18:39 4210
Oregon Observatory 09:03:38 -63.8 Dark Up 36.6 267.2 Up 08:48:38 - 09:18:38 4191
La Pine/Gilchrist 09:03:38 -64.0 Dark Up 36.7 267.3 Up 08:48:38 - 09:18:38 4170
North Lake 09:03:34 -64.2 Dark Up 36.2 268.1 Up 08:48:34 - 09:18:34 4146
Paisley 09:03:32 -64.5 Dark Up 36.0 268.7 Up 08:48:32 - 09:18:32 4104
Lakeview 09:03:30 -64.9 Dark Up 35.9 269.2 Up 08:48:30 - 09:18:30 4062
Chiloquin 09:03:34 -65.1 Dark Up 37.0 267.9 Up 08:48:34 - 09:18:34 4059
Klamath Falls 09:03:34 -65.4 Dark Up 36.9 268.2 Up 08:48:34 - 09:18:34 4029
Tulelake 09:03:31 -65.5 Dark Up 36.7 268.6 Up 08:48:31 - 09:18:31 4012
Cedarville 09:03:26 -65.4 Dark Up 35.8 269.8 Up 08:48:26 - 09:18:26 4006
Fall River/Burney 09:03:28 -66.3 Dark Up 36.7 269.4 Up 08:48:28 - 09:18:28 3928
Susanville 09:03:24 -66.6 Dark Up 36.1 270.3 Up 08:48:24 - 09:18:24 3889
Gimple 09:03:23 -66.9 Dark Up 36.3 270.4 Up 08:48:23 - 09:18:23 3857
Greenville 09:03:24 -66.9 Dark Up 36.4 270.3 Up 08:48:24 - 09:18:24 3855
Portola 09:03:21 -67.0 Dark Up 36.0 270.8 Up 08:48:21 - 09:18:21 3837
Quincy 09:03:22 -67.1 Dark Up 36.4 270.5 Up 08:48:22 - 09:18:22 3836
Reno 09:03:19 -67.0 Dark Up 35.5 271.4 Up 08:48:19 - 09:18:19 3829
Carson City 09:03:18 -67.3 Dark Up 35.5 271.7 Up 08:48:18 - 09:18:18 3796
Yerington 09:03:16 -67.2 Dark Up 35.0 272.2 Up 08:48:16 - 09:18:16 3795
Gardnerville 09:03:16 -67.5 Dark Up 35.4 271.9 Up 08:48:16 - 09:18:16 3774
Hawthorne 09:03:13 -67.3 Dark Up 34.6 272.9 Up 08:48:13 - 09:18:13 3766
Tonopah 09:03:08 -67.0 Dark Up 33.4 274.0 Up 08:48:08 - 09:18:08 3762
Lee Vining 09:03:12 -68.0 Dark Up 34.9 273.0 Up 08:48:12 - 09:18:12 3698
Indian Springs 09:02:58 -67.2 Dark Up 32.1 275.8 Up 08:47:58 - 09:17:58 3666
Beatty 09:03:02 -67.6 Dark Up 33.0 275.0 Up 08:48:02 - 09:18:02 3665
Bishop 09:03:08 -68.1 Dark Up 34.3 273.8 Up 08:48:08 - 09:18:08 3662
Henderson 09:02:55 -67.2 Dark Up 31.5 276.5 Up 08:47:55 - 09:17:55 3636
Patrick 09:02:51 -66.9 Dark Up 30.6 277.4 Up 08:47:51 - 09:17:51 3610
DCO 09:02:48 -66.7 Dark Up 30.0 278.0 Low 08:47:48 - 09:17:48 3603
Lone Pine 09:03:05 -68.5 Dark Up 34.0 274.5 Up 08:48:05 - 09:18:05 3598
Kingman/Dolan Springs 09:02:51 -67.2 Dark Up 30.7 277.5 Up 08:47:51 - 09:17:51 3583
Searchlight/Boulder City 09:02:53 -67.6 Dark Up 31.4 276.9 Up 08:47:53 - 09:17:53 3583
Laughlin/Bullhead City 09:02:51 -67.5 Dark Up 31.1 277.2 Up 08:47:51 - 09:17:51 3565
Mohave Valley 09:02:51 -67.7 Dark Up 31.1 277.4 Up 08:47:51 - 09:17:51 3539
Lake Havasu City 09:02:49 -67.8 Dark Up 30.8 277.7 Up 08:47:49 - 09:17:49 3508
Parker 09:02:48 -68.0 Dark Up 30.7 278.0 Up 08:47:48 - 09:17:48 3475
Blythe 09:02:47 -68.5 Dark Up 30.9 278.1 Up 08:47:47 - 09:17:47 3415
CPSLO 09:03:07 -70.9 Dark Up 36.0 274.0 Up 08:48:07 - 09:18:07 3397
Idyllwild 09:02:52 -69.8 Dark Up 32.7 277.0 Up 08:47:52 - 09:17:52 3361
Wildwood 09:02:58 -70.7 Dark Up 34.2 275.9 Up 08:47:58 - 09:17:58 3339
Calipatria 09:02:47 -69.4 Dark Up 31.6 278.0 Up 08:47:47 - 09:17:47 3338
Yuma 09:02:44 -69.1 Dark Up 30.8 278.7 Up 08:47:44 - 09:17:44 3323

Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.

Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.

Star training set for 14QY441, (2019/01/23 09:09UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8  9.42  84
Alnath         05:26:17.5 +28:36:23  1.6  7.47  71
PPM 094053     05:05:37.7 +23:03:40  6.5  0.40  76
PPM 094066     05:06:40.9 +22:30:38  7.0  0.21  76
PPM 094061     05:06:03.6 +22:39:36 10.8  0.03  76
14QY441        05:06:09.0 +22:40:34 12.6        76
Positions are for J2000

Event circumstances last updated at 2018/06/11 19:33:15 UT

Marc W. Buie, Southwest Research Institute

RECON